WordPress tip: use wp_defer_term_counting for bulk classification for efficiency

If our volume for some articles classification, set up a WordPress will perform wp_update_term_count_now function to calculate the use of the classification number, this function will produce three SQL, if set to 20 articles classification, then can produce 60 SQL,

Completely turn off automatic WordPress updates and background update checks

Sometimes, when we configure wordpress and change the theme, we don't want to update wordpress, but wordpress often pushes automatic updates, so how do you turn off automatic updates for wordpress? Methods: add the following code to the current theme